If you use Drip, list quality affects both performance and cost. Invalid contacts still take up space in your audience, but they do not generate revenue or engagement.
A simple cleanup workflow
1. Export from Drip
Export the segment or subscriber group you want to review as a CSV.
2. Upload to MailCull
Use Verify List to process the file and identify the addresses that look clearly bad, risky, or uncertain.
3. Review the results
Start with the addresses marked undeliverable. Then inspect risky addresses for things like typo domains that may be recoverable.
4. Reimport a cleaner audience
Once you know which contacts you want to keep, remove, or tag, update your audience inside Drip.
Why it is worth doing
Cleaning is useful before:
- seasonal campaigns
- major product launches
- high-volume automations
- a pricing-tier review
It also gives you better reporting because you are not measuring performance against a pile of dead addresses.